Guiana Dolphin vs Surprise Thorius

Sotalia guianensis compared with Thorius insperatus

Key Differences

• Guiana Dolphin is Data Deficient while Surprise Thorius is Critically Endangered.

Taxonomic Classification

Rank	Guiana Dolphin	Surprise Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Caudata (Caudata)
Family	Delphinidae (Oceanic Dolphins)	Plethodontidae
Genus	Sotalia	Thorius
Species	Sotalia guianensis	Thorius insperatus

Evolutionary Relationship

Guiana Dolphin and Surprise Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guiana Dolphin

DD — Data Deficient

Surprise Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Guiana Dolphin	Surprise Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Surprise Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.